"Seamless Bark", Website Background. #879
Wood CC BY-SA 3.0This background pattern contains a seamless texture of bark. It's not very realistic, but I think it looks quite nice.
Source V. Hartikainen
More Textures
Green and Yellow Lines on White Background #1000
Stripes CC BY-SA 3.0A seamless pattern with green and yellow diagonal lines on top of a white dotted background.
Source V. Hartikainen
Color Stains on Canvas #1167
Fabric CC BY-SA 3.0A seamless web texture with illustration of pale color stains on canvas.
Source V. Hartikainen
Background pattern 202 #2491
Brown CC 0Based on several public domain drawings on Wikimedia Commons. This was formed from a rectangular tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
"Polished Stone", Gray Background Pattern #1053
Stone CC BY-SA 3.0A seamless gray background texture suitable for use on websites. To me, it has the look of stone. Feel free to modify it to meet your needs (by making it a bit lighter or darker, for example).
Source V. Hartikainen
Grunge Wall@2X #82
Wall CC BY-SA 3.0Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Shine Caro #713
Grid CC BY-SA 3.0It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
Paper #657
Paper CC BY-SA 3.0Nicely crafted paper pattern, although a bit on the large side (500x593px).
Source Blaq Annabiosis
ecorative divider 209 #2365
Dark CC 0Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Absurdity #825
Light CC BY-SA 3.0Bit of a strange name on this one, but still nice. Tiny gray square things.
Source Carlos Valdez
Nami #575
Dark CC BY-SA 3.0Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
Prismatic Snowflakes Pattern 2 No Background #412
Light CC 0Prismatic Snowflakes Pattern 2 No Background
Source GDJ
Fence panel #2577
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Diamond pattern 2 #2268
Red CC 0From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Leafy pattern #2335
Dark CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Wild Flowers #1181
Gray CC BY-SA 3.0Tiny little flowers growing on your screen. Nice, huh?
Source Themes Tube
Little Triangles #687
Light CC BY-SA 3.0The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
Fake Luxury@2X #622
Diamond CC BY-SA 3.0Fake or not, it’s quite luxurious.
Source Factorio.us Collective
Bird pattern #2293
Pink CC 0Utilising a bird from s-light and some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Curved Diamond Pattern 2 No Background #538
Diamond CC 0Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
Page ornament 22 #2358
Dark CC 0From a drawing in 'A Rolling Stone. A tale of wrongs and revenge', John Hartley, 1878.
Source Firkin
Green Background With Leaves #1331
Green CC BY-SA 3.0It looks very nice I think.
Source V. Hartikainen
Background pattern 259 (colour 5) #2098
Pink CC 0Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Prismatic Groovy Concentric Background No Black@2X #452
Noise CC 0Prismatic Groovy Concentric Background No Black
Source GDJ
Floral pattern 14 #1754
Yellow CC 0The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin